definitely need this vacuum cleaner !” ( A valid deductive argument ) Voice of Man Speaking for Wife :
“ Honey , our carpets are clean and we already have a working vacuum cleaner , so we don ’ t need a new one !” ( A sound deductive argument )
DQ 2 - Imagine your child is trying to prove that she did not steal chocolate chip cookies from the cookie jar , so she makes this argument : “ There are no chocolate stains on my hands , so I couldn ’ t have stolen the cookies .”
Postyour response to the following : Does this example require deductive or inductive logic ? What are the premises ? Are the premises stated or unstated ? What is the argument ’ s conclusion ? In your opinion , is this a convincing argument ? Why or why not ?
Grading Guide
Through discussion students should determine the following : The example requires inductive logic . The premises are that there are no chocolate stains on the child ’ s hands , and that chocolate on one ’ s hands is an indication of having handled chocolate chip cookies . The first premise is stated and the second premise is unstated . The conclusion is , “… so I couldn ’ t have stolen the cookies .”
Students should state their opinions regarding whether or not they believe the argument is persuasive .